//
//===----------------------------------------------------------------------===//
+#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCParser/AsmParser.h"
#include "llvm/Target/TargetAsmBackend.h"
#include "llvm/Target/TargetAsmParser.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Target/SubtargetFeature.h" // FIXME.
#include "llvm/Target/TargetMachine.h" // FIXME.
#include "llvm/Target/TargetSelect.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Host.h"
-#include "llvm/System/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/system_error.h"
#include "Disassembler.h"
using namespace llvm;
static cl::opt<bool>
ShowInst("show-inst", cl::desc("Show internal instruction representation"));
+static cl::opt<bool>
+ShowInstOperands("show-inst-operands",
+ cl::desc("Show instructions operands as parsed"));
+
static cl::opt<unsigned>
OutputAsmVariant("output-asm-variant",
cl::desc("Syntax variant to use for output printing"));
TripleName("triple", cl::desc("Target triple to assemble for, "
"see -version for available targets"));
+static cl::opt<std::string>
+MCPU("mcpu",
+ cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+ cl::value_desc("cpu-name"),
+ cl::init(""));
+
static cl::opt<bool>
NoInitialTextSection("n", cl::desc(
"Don't assume assembly file starts in the text section"));
return 0;
}
+static tool_output_file *GetOutputStream() {
+ if (OutputFilename == "")
+ OutputFilename = "-";
+
+ std::string Err;
+ tool_output_file *Out = new tool_output_file(OutputFilename.c_str(), Err,
+ raw_fd_ostream::F_Binary);
+ if (!Err.empty()) {
+ errs() << Err << '\n';
+ delete Out;
+ return 0;
+ }
+
+ return Out;
+}
+
static int AsLexInput(const char *ProgName) {
- std::string ErrorMessage;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename,
- &ErrorMessage);
+ error_code ec;
+ MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (ErrorMessage.size())
- errs() << ErrorMessage << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
assert(MAI && "Unable to create target asm info!");
AsmLexer Lexer(*MAI);
-
+ Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
+
+ OwningPtr<tool_output_file> Out(GetOutputStream());
+ if (!Out)
+ return 1;
+
bool Error = false;
-
while (Lexer.Lex().isNot(AsmToken::Eof)) {
- switch (Lexer.getKind()) {
+ AsmToken Tok = Lexer.getTok();
+
+ switch (Tok.getKind()) {
default:
SrcMgr.PrintMessage(Lexer.getLoc(), "unknown token", "warning");
Error = true;
Error = true; // error already printed.
break;
case AsmToken::Identifier:
- outs() << "identifier: " << Lexer.getTok().getString() << '\n';
- break;
- case AsmToken::String:
- outs() << "string: " << Lexer.getTok().getString() << '\n';
+ Out->os() << "identifier: " << Lexer.getTok().getString();
break;
case AsmToken::Integer:
- outs() << "int: " << Lexer.getTok().getString() << '\n';
+ Out->os() << "int: " << Lexer.getTok().getString();
+ break;
+ case AsmToken::Real:
+ Out->os() << "real: " << Lexer.getTok().getString();
+ break;
+ case AsmToken::Register:
+ Out->os() << "register: " << Lexer.getTok().getRegVal();
+ break;
+ case AsmToken::String:
+ Out->os() << "string: " << Lexer.getTok().getString();
break;
- case AsmToken::Amp: outs() << "Amp\n"; break;
- case AsmToken::AmpAmp: outs() << "AmpAmp\n"; break;
- case AsmToken::Caret: outs() << "Caret\n"; break;
- case AsmToken::Colon: outs() << "Colon\n"; break;
- case AsmToken::Comma: outs() << "Comma\n"; break;
- case AsmToken::Dollar: outs() << "Dollar\n"; break;
- case AsmToken::EndOfStatement: outs() << "EndOfStatement\n"; break;
- case AsmToken::Eof: outs() << "Eof\n"; break;
- case AsmToken::Equal: outs() << "Equal\n"; break;
- case AsmToken::EqualEqual: outs() << "EqualEqual\n"; break;
- case AsmToken::Exclaim: outs() << "Exclaim\n"; break;
- case AsmToken::ExclaimEqual: outs() << "ExclaimEqual\n"; break;
- case AsmToken::Greater: outs() << "Greater\n"; break;
- case AsmToken::GreaterEqual: outs() << "GreaterEqual\n"; break;
- case AsmToken::GreaterGreater: outs() << "GreaterGreater\n"; break;
- case AsmToken::LParen: outs() << "LParen\n"; break;
- case AsmToken::Less: outs() << "Less\n"; break;
- case AsmToken::LessEqual: outs() << "LessEqual\n"; break;
- case AsmToken::LessGreater: outs() << "LessGreater\n"; break;
- case AsmToken::LessLess: outs() << "LessLess\n"; break;
- case AsmToken::Minus: outs() << "Minus\n"; break;
- case AsmToken::Percent: outs() << "Percent\n"; break;
- case AsmToken::Pipe: outs() << "Pipe\n"; break;
- case AsmToken::PipePipe: outs() << "PipePipe\n"; break;
- case AsmToken::Plus: outs() << "Plus\n"; break;
- case AsmToken::RParen: outs() << "RParen\n"; break;
- case AsmToken::Slash: outs() << "Slash\n"; break;
- case AsmToken::Star: outs() << "Star\n"; break;
- case AsmToken::Tilde: outs() << "Tilde\n"; break;
+ case AsmToken::Amp: Out->os() << "Amp"; break;
+ case AsmToken::AmpAmp: Out->os() << "AmpAmp"; break;
+ case AsmToken::At: Out->os() << "At"; break;
+ case AsmToken::Caret: Out->os() << "Caret"; break;
+ case AsmToken::Colon: Out->os() << "Colon"; break;
+ case AsmToken::Comma: Out->os() << "Comma"; break;
+ case AsmToken::Dollar: Out->os() << "Dollar"; break;
+ case AsmToken::Dot: Out->os() << "Dot"; break;
+ case AsmToken::EndOfStatement: Out->os() << "EndOfStatement"; break;
+ case AsmToken::Eof: Out->os() << "Eof"; break;
+ case AsmToken::Equal: Out->os() << "Equal"; break;
+ case AsmToken::EqualEqual: Out->os() << "EqualEqual"; break;
+ case AsmToken::Exclaim: Out->os() << "Exclaim"; break;
+ case AsmToken::ExclaimEqual: Out->os() << "ExclaimEqual"; break;
+ case AsmToken::Greater: Out->os() << "Greater"; break;
+ case AsmToken::GreaterEqual: Out->os() << "GreaterEqual"; break;
+ case AsmToken::GreaterGreater: Out->os() << "GreaterGreater"; break;
+ case AsmToken::Hash: Out->os() << "Hash"; break;
+ case AsmToken::LBrac: Out->os() << "LBrac"; break;
+ case AsmToken::LCurly: Out->os() << "LCurly"; break;
+ case AsmToken::LParen: Out->os() << "LParen"; break;
+ case AsmToken::Less: Out->os() << "Less"; break;
+ case AsmToken::LessEqual: Out->os() << "LessEqual"; break;
+ case AsmToken::LessGreater: Out->os() << "LessGreater"; break;
+ case AsmToken::LessLess: Out->os() << "LessLess"; break;
+ case AsmToken::Minus: Out->os() << "Minus"; break;
+ case AsmToken::Percent: Out->os() << "Percent"; break;
+ case AsmToken::Pipe: Out->os() << "Pipe"; break;
+ case AsmToken::PipePipe: Out->os() << "PipePipe"; break;
+ case AsmToken::Plus: Out->os() << "Plus"; break;
+ case AsmToken::RBrac: Out->os() << "RBrac"; break;
+ case AsmToken::RCurly: Out->os() << "RCurly"; break;
+ case AsmToken::RParen: Out->os() << "RParen"; break;
+ case AsmToken::Slash: Out->os() << "Slash"; break;
+ case AsmToken::Star: Out->os() << "Star"; break;
+ case AsmToken::Tilde: Out->os() << "Tilde"; break;
}
- }
-
- return Error;
-}
-
-static formatted_raw_ostream *GetOutputStream() {
- if (OutputFilename == "")
- OutputFilename = "-";
-
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT.
- if (OutputFilename != "-")
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
- std::string Err;
- raw_fd_ostream *Out = new raw_fd_ostream(OutputFilename.c_str(), Err,
- raw_fd_ostream::F_Binary);
- if (!Err.empty()) {
- errs() << Err << '\n';
- delete Out;
- return 0;
+ // Print the token string.
+ Out->os() << " (\"";
+ Out->os().write_escaped(Tok.getString());
+ Out->os() << "\")\n";
}
-
- return new formatted_raw_ostream(*Out, formatted_raw_ostream::DELETE_STREAM);
+
+ // Keep output if no errors.
+ if (Error == 0) Out->keep();
+
+ return Error;
}
static int AssembleInput(const char *ProgName) {
if (!TheTarget)
return 1;
- std::string Error;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, &Error);
+ error_code ec;
+ MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (Error.size())
- errs() << Error << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
assert(MAI && "Unable to create target asm info!");
MCContext Ctx(*MAI);
- formatted_raw_ostream *Out = GetOutputStream();
- if (!Out)
- return 1;
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MCPU.size()) {
+ SubtargetFeatures Features;
+ Features.setCPU(MCPU);
+ FeaturesStr = Features.getString();
+ }
// FIXME: We shouldn't need to do this (and link in codegen).
- OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName, ""));
+ // When we split this out, we should do it in a way that makes
+ // it straightforward to switch subtargets on the fly (.e.g,
+ // the .cpu and .code16 directives).
+ OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName,
+ FeaturesStr));
if (!TM) {
errs() << ProgName << ": error: could not create target for triple '"
return 1;
}
- OwningPtr<MCCodeEmitter> CE;
+ OwningPtr<tool_output_file> Out(GetOutputStream());
+ if (!Out)
+ return 1;
+
+ formatted_raw_ostream FOS(Out->os());
OwningPtr<MCStreamer> Str;
- OwningPtr<TargetAsmBackend> TAB;
if (FileType == OFT_AssemblyFile) {
MCInstPrinter *IP =
TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI);
+ MCCodeEmitter *CE = 0;
if (ShowEncoding)
- CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
- Str.reset(createAsmStreamer(Ctx, *Out,TM->getTargetData()->isLittleEndian(),
- /*asmverbose*/true, IP, CE.get(), ShowInst));
+ CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ Str.reset(TheTarget->createAsmStreamer(Ctx, FOS,
+ TM->getTargetData()->isLittleEndian(),
+ /*asmverbose*/true, IP, CE, ShowInst));
} else if (FileType == OFT_Null) {
Str.reset(createNullStreamer(Ctx));
} else {
assert(FileType == OFT_ObjectFile && "Invalid file type!");
- CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
- TAB.reset(TheTarget->createAsmBackend(TripleName));
+ MCCodeEmitter *CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ TargetAsmBackend *TAB = TheTarget->createAsmBackend(TripleName);
Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB,
- *Out, CE.get(), RelaxAll));
+ FOS, CE, RelaxAll));
}
if (EnableLogging) {
Str.reset(createLoggingStreamer(Str.take(), errs()));
}
- AsmParser Parser(SrcMgr, Ctx, *Str.get(), *MAI);
- OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(Parser));
+ OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
+ *Str.get(), *MAI));
+ OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM));
if (!TAP) {
errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
return 1;
}
- Parser.setTargetParser(*TAP.get());
+ Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setTargetParser(*TAP.get());
- int Res = Parser.Run(NoInitialTextSection);
- if (Out != &fouts())
- delete Out;
+ int Res = Parser->Run(NoInitialTextSection);
- // Delete output on errors.
- if (Res && OutputFilename != "-")
- sys::Path(OutputFilename).eraseFromDisk();
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
return Res;
}
const Target *TheTarget = GetTarget(ProgName);
if (!TheTarget)
return 0;
-
- std::string ErrorMessage;
-
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename,
- &ErrorMessage);
+ error_code ec;
+ MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (ErrorMessage.size())
- errs() << ErrorMessage << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
+ OwningPtr<tool_output_file> Out(GetOutputStream());
+ if (!Out)
+ return 1;
+
+ int Res;
if (Enhanced)
- return Disassembler::disassembleEnhanced(TripleName, *Buffer);
+ Res = Disassembler::disassembleEnhanced(TripleName, *Buffer, Out->os());
else
- return Disassembler::disassemble(*TheTarget, TripleName, *Buffer);
+ Res = Disassembler::disassemble(*TheTarget, TripleName, *Buffer, Out->os());
+
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
+
+ return Res;
}
llvm::InitializeAllDisassemblers();
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ TripleName = Triple::normalize(TripleName);
switch (Action) {
default:
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